diff --git a/registry.txt b/registry.txt
index 12c0aa6b..743ea5a1 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4501,3 +4501,9 @@ https://github.com/Picovoice/porcupine-arduino-de.git|Contributed|Porcupine_DE
 https://github.com/Picovoice/porcupine-arduino-fr.git|Contributed|Porcupine_FR
 https://github.com/Picovoice/porcupine-arduino-es.git|Contributed|Porcupine_ES
 https://github.com/m5stack/PoE_CAM.git|Contributed|PoE_CAM
+https://github.com/sensirion/arduino-gas-index-algorithm.git|Contributed|Sensirion Gas Index Algorithm
+https://github.com/sensirion/arduino-i2c-sdp.git|Contributed|Sensirion I2C SDP
+https://github.com/sensirion/arduino-i2c-sgp40.git|Contributed|Sensirion I2C SGP40
+https://github.com/sensirion/arduino-i2c-sgp41.git|Contributed|Sensirion I2C SGP41
+https://github.com/sensirion/arduino-i2c-svm41.git|Contributed|Sensirion I2C SVM41
+https://github.com/sensirion/arduino-uart-svm41.git|Contributed|Sensirion UART Svm41